baber/WOPTO huggingface dataset:
Patent KR-102120247-B1 (KR)
Inventor: LEE DO HOON
IPC: A45D34/04
Filed: 2019-03-22
Granted: 2020-06-17
Abstract: The present invention relates to a cosmetic container with improved sealing and convenience. The present invention comprise: a container body in which contents are contained; a fixed guide member which is fixed and coupled to the container body and is provided with a spiral guide groove; a discharge means which discharges the contents contained in the container body to the outside; a fixing member which is connected to the discharge means and has a first content discharge passage; a rotary operation cap which is rotatably coupled to the outside of the fixed guide member; a rotary lifting member which is lifted while being rotated by the rotary operation cap and has a guide protrusion and a second content discharge passage; a lifting member which is vertically moved up and down by the rotary lifting member; a discharge member which is coupled to the rotary lifting member and has a discharge port and a third content discharge passage; a discharge member moving plate which is axially coupled to the rotary lifting member to horizontally move the discharge member; and a push button which is lifted and lowered while being rotated together with the rotary lifting member and has a discharge part outlet formed on one side thereof.
Patent KR-102261016-B1 (KR)
IPC: C08G18/64
Filed: 2019-03-25
Granted: 2021-06-04
Abstract: 본 발명은 형상 기억 성능을 갖는 폴리우레탄 나노복합체에 관한 것으로, 보다 구체적으로는 키토산을 첨가한 폴리카프로락톤(PCL) 기반의 폴리우레탄 나노복합체 및 이의 제조방법에 관한 것이다. 본 발명에 따른 폴리우레탄 나노복합체는 키토산 첨가 전에 비해 최대 인장강도, 파단시 연신율, 형상 고정 비율 및 형상 회복 비율이 향상되는 효과가 있다. 또한, 본 발명에 따른 폴리우레탄 나노복합체 제조방법은 나노 키토산 첨가에 의해 기계적 성능과 형상기억 성능이 모두 강화된 PCL 기반 생분해성 폴리우레탄 나노복합체를 제조할 수 있는 효과가 있다.
Patent KR-102427094-B1 (KR)
IPC: F17C13/00
Filed: 2019-03-28
Granted: 2022-07-29
Abstract: 슬로싱위험도 예측장치가 개시된다. 본 발명의 실시예에 따른 슬로싱위험도 예측장치는 선체가 운항하기 전 상기 선체에 설치된 저장탱크에 저장되는 액체의 슬로싱에 의한 슬로싱위험도를 예측하는 장치로서, 상기 저장탱크에 저장되는 액체의 저장량정보를 수집하고, 상기 선체가 운항할 예정인 출발지와 도착지 사이 계획경로를 수집하는 운항계획수집부; 상기 저장탱크에 저장되는 액체의 액체운동주기를 계산하는 액체운동주기계산부; 상기 계획경로를 복수의 단위경로로 구획하고, 상기 선체가 상기 계획경로를 운항할 때 상기 단위경로별 상기 선체의 선체운동주기를 계산하는 선체운동주기계산부; 및 상기 액체운동주기와 상기 단위경로별 상기 선체운동주기 사이 공진여부를 비교하여 슬로싱위험도를 판단하는 비교판단부를 포함한다.
Patent KR-102033741-B1 (KR)
Title: Apparatus for cleaning release agent spray module
Inventor: RO JIN WOO
IPC: B08B9/027
Filed: 2019-03-29
Granted: 2019-10-18
Abstract: The present invention relates to an apparatus for cleaning a release agent spray module (10). The apparatus includes: a body (20) including a cleaning tub (21) and an air pressure generator (25); a cleaning unit (30) including a clamp (31) connected to an elevation cylinder (36) in the upper part of the body (20), and forming bubbles by spraying air into the cleaning tub (21); an inside cleaner (40) cleaning the inner surface by inserting a brush member into a nozzle (15) of the spray module (10); and a control unit (50) controlling the body (20), the cleaning unit (30) and the inside cleaner (40) with a set algorithm. Therefore, to maintain a release agent spray module used for a casting process in a clean condition, foreign substances are removed from the inner surface of a nozzle as well as the outer surface thereof, so the apparatus can prevent a deterioration in quality while making an increase in productivity.
Patent KR-102034012-B1 (KR)
Title: Manufacturing method of a bus bar using Friction Stir Welding
Inventor: KIM MYEONG HUN
IPC: H01B13/00
Filed: 2019-04-05
Granted: 2019-10-18
Abstract: The present invention relates to a method for manufacturing a bus bar, which may be simply manufactured by performing friction stir welding on aluminum and copper. The method comprises: a pressing step of pressing one first conductor and two second conductors into a rectangular shape, respectively; a disposing step of disposing the second conductors at both ends of the first conductor; and a bus bar forming step of forming a bus bar by performing friction stir welding on the gap between the first conductor and the second conductors. The first conductor is aluminum and the second conductor is copper.
Patent KR-102286499-B1 (KR)
IPC: A61K31/454
Filed: 2019-04-12
Granted: 2021-08-05
Abstract: 레날리도마이드 정제 제형을 개시한다.
Patent KR-102170736-B1 (KR)
Title: The acceleration sensor applicable to a toward array sensor in underwater
Inventor: KWON HYEOK SANG
IPC: G01P15/09
Filed: 2019-04-23
Granted: 2020-10-27
Abstract: Provided is an acceleration sensor with improved performance and sensitivity. The acceleration sensor comprises: a hollow cylindrical outer case; a vertical base which divides an inner space of the outer case into a first side and a second side; a first insulator attached to both sides of the vertical base; a second insulator formed to be spaced apart in a direction away from the first insulator from the vertical base; a plurality of piezoelectric single crystals disposed between the first insulator and the second insulator; and a mass body coupled to the second insulator on the opposite side of the piezoelectric single crystal. The vertical base, the first insulator, the second insulator, the piezoelectric single crystal, and the mass body are formed with through holes into which connecting rods are inserted, and both ends of the connecting rods are screwed with a nut portion to fasten the vertical base, the first insulator, the second insulator, and the piezoelectric single crystal. The outer case for accommodating the vertical base, the first insulator, the second insulator, the piezoelectric single crystal, and the mass body can be coupled with a cap portion in both directions along an axial direction.
Patent KR-102046748-B1 (KR)
Title: Method of application security vulnerability evaluation based on tree boosting, readable medium and apparatus for performing the method
Inventor: JEONG HYUN YI
IPC: G06F21/56
Filed: 2019-04-25
Granted: 2019-11-19
Abstract: Disclosed are a method for evaluating a risk of a tree boosting-based application, a recording medium for performing the same, and an apparatus thereof. The method for evaluating a risk of a tree boosting-based application comprises the steps of: generating an API classifier for classifying received APIs as normal or malicious using tree boosting-based algorithms; using the API classifier to calculate a risk score of the API; and classifying an application to be evaluated as a malicious application or a general application in accordance with a risk score of an API used in the evaluated application.
Patent KR-102135420-B1 (KR)
Inventor: LEE CHOON MAN
IPC: B23K26/10
Filed: 2019-04-26
Granted: 2020-07-17
Abstract: The present invention relates to an apparatus for grinding an inner diameter surface. The apparatus includes: a base (100) formed as a square frame, installed on the ground surface, and having a plurality of parts installed on the top surface thereof; a workpiece rotation unit (110) vertically installed on the top surface of the base (100), gripping a workpiece (P), and rotating the workpiece (P) at high speed in one direction; an inner diameter surface grinding unit (120) installed on a front side of the workpiece rotation unit (110), installed to be movable forward, backward, left, and right along an upper side of the base (100), and having a grinder (146) installed to be rotatable at high speed so as to grind the inner diameter surface of the workpiece (P); and a laser assist unit (160) installed on one side of the inner diameter surface grinding unit (120), emitting a laser to an inner diameter grinding portion of the workpiece (P), and softening the inner diameter grinding portion of the workpiece (P). According to the present invention, the apparatus can soften the inner diameter grinding portion by the laser assist unit, thereby easily grinding a workpiece made of a hard-to-cut material having high brittleness, and reducing a processing time and increasing processing accuracy as the grinding portion is softened. Further, the apparatus can apply ink to the inner diameter surface of the workpiece before emitting a laser to the inner diameter surface portion of the workpiece to prevent the laser from being transmitted to the workpiece made of a transparent material upon emitting the laser, thereby accurately emitting the laser to the inner diameter surface portion.
Patent KR-102177960-B1 (KR)
Inventor: TAK JUN MO
IPC: G01B11/26
Filed: 2019-05-07
Granted: 2020-11-12
Abstract: Provided is an actuation performance testing system. The actuation performance testing system comprises: a nozzle measurement tool attached to an end of a nozzle installed in a thrust vector control device; first and second cameras capturing movement of the nozzle measurement tool to generate image information; a camera fixing frame fixated to enable the first and second cameras to be arranged at constant intervals; and a testing unit computing real-time measurement angle information by using the image information.
Patent KR-102119163-B1 (KR)
Title: System and Method that produces electricity by using a fall in living sewage
Inventor: KIM CHAN GEUN
IPC: F03B9/00
Filed: 2019-05-13
Granted: 2020-06-04
Abstract: According to an embodiment of the present invention, a power generation system using energy from head of rainwater and domestic sewage comprises: a tracked pocket module which is installed in an integrated wastewater pipe connected to floor wastewater pipes buried in each of floors of a building, and in which a plurality of pocket modules rotating based on a discharge quantity and head of household wastewater discharged from each floor wastewater pipe are continuously arranged; a discharge quantity measurement unit which is installed in the floor wastewater pipe and measures the discharge quantity of the household wastewater discharged from the floor wastewater pipe; an energy conversion module which produces electric energy by using a rotational force of the tracked pocket module; an energy storage and distribution unit which stores the electric energy produced by the energy conversion module and distributes the stored electric energy to a power storage unit for common equipment of each floor based on the discharge quantity of the household wastewater discharged on each floor measured by the discharge quantity measurement unit; and a driving control unit which controls the rotation of the tracked pocket module.
Patent KR-102278082-B1 (KR)
IPC: H01L21/02
Filed: 2019-05-22
Granted: 2021-07-19
Abstract: 기판 처리 장치가 개시된다. 상기 기판 처리 장치는, 내부에 처리 공간을 가지는 챔버; 상기 처리 공간 내에 기판을 지지하는 지지 유닛; 상기 지지 유닛에 제공되는 히터로 전력을 인가하는 히터 전원; 상기 지지 유닛에 제공된 하부 전극에 고주파 전력을 인가하는 고주파 전원; 및 상기 히터 전원과 상기 히터를 연결하는 라인에 설치되어 고주파의 유입을 차단하는 필터 유닛;을 포함하고, 상기 필터 유닛은, 하우징; 상기 하우징 내에 설치되는 하나 이상의 코일; 상기 하우징과 상기 코일 사이에 배치되는 조절 부재;를 포함할 수 있다. 상기 조절 부재는 비자성체 물질일 수 있다. 상기 조절 부재는 상기 코일과 일정 거리 이격되어 제공되며, 상기 조절 부재는 상기 하우징의 내벽과 이격되어 제공되거나 또는 상기 하우징의 내벽과 접촉하여 제공될 수 있다.
Patent KR-102512562-B1 (KR)
Title: 경화성 조성물 및 이의 경화물을 포함하는 광학 부재
IPC: C08G75/18
Filed: 2019-05-24
Granted: 2023-03-20
Abstract: 본 발명은 경화성 조성물 및 이의 경화물을 포함하는 광학 부재에 관한 것으로, 보다 구체적으로는,   에피설파이드 화합물, 티올 화합물 및 2개 이상의 수산기를 포함하는 방향족 고리 화합물을 특정 중량비로 포함하는 고굴절률 광학 부재 형성용 경화성 조성물 및 이의 경화물을 포함하는 광학 부재에 관한 것이다.
Patent KR-102005809-B1 (KR)
Title: The installation structure of transformer
Inventor: YANG HAE WON
IPC: E04H17/14
Filed: 2019-06-04
Granted: 2019-07-31
Abstract: The present invention provides an installation structure of a transformer. The installation structure includes a transformer (1) provided at a specific position; and an access restriction structure which is installed on at least a portion of the periphery of the transformer and limits access to the transformer. Therefore, it is possible to effectively limit the access to the periphery of the transformer so that the transformer can be handled safely, to bind the transformer to various support objects, and in particular, handle the transformer more stable in the installation of the transformer.
Patent KR-102139085-B1 (KR)
Inventor: PARK MYEONG KYU
IPC: B21D22/28
Filed: 2019-06-07
Granted: 2020-07-29
Abstract: The present invention relates to a heat exchange pin forming mold for manufacturing a heat exchange pin required to manufacture a heat exchanger, and a mold fixing support plate and a mold assembly for fixing and supporting such molds. The mold (1000) for manufacturing a heat exchange pin with an oval hole into which an oval heat exchange tube is inserted is used in one process among forming, piercing, and flaring the heat exchange pin. The mold (1000) has a mold head unit (1100), and a mold fixing support unit (1200) being arranged on a lower side of the mold head unit (1100), having a cross-sectional area larger than the cross-section area of the mold head unit (1100), and having a polygonal shape. The present invention relates to a mold (1000) for manufacturing a heat exchange pin with an oval hole into which an oval heat exchange tube is inserted, a mold fixing support plate (2000) for fixing and supporting the mold, and a mold assembly (4000) consisting of a mold head holding plate (3000) for supporting the mold head unit (1100).
Patent KR-102012198-B1 (KR)
Title: Method for processing and assembling plate having different thickness
Inventor: LEE HYOUNG BAEK
IPC: B23K9/013
Filed: 2019-06-26
Granted: 2019-08-20
Abstract: Provided is a method for processing and assembling a steel sheet having different thicknesses, wherein the steel sheet having different thicknesses include: a first steel sheet area having first thickness; a second steel sheet area having second thickness different from the first thickness; and a third steel sheet area located between the first steel sheet area and the second steel sheet area, and formed of a tapered section in which the first thickness is changed into the second thickness. The method for processing the steel sheet having different thicknesses can comprise the following steps: pressurizing an upper surface of the first steel sheet area, the third steel sheet area, and the second steel sheet area by bending equipment; and performing a bending process with respect to the steel sheet having different thicknesses for a curvature to be formed in the longitudinal direction of the steel sheet having different thicknesses as the upper surface is pressurized.
Patent KR-102044780-B1 (KR)
Inventor: LEE DAE WON
IPC: A61F7/10
Filed: 2019-06-27
Granted: 2019-11-14
Abstract: One aspect of the present invention relates to a tepid massage pad. More particularly, the present invention relates to clothing or a pad worn by a patient to lower body temperature in a patient who has a fever due to a disease or other causes. According to one embodiment of the present invention, during the massage with lukewarm water, a patient is provided with the tepid massage pad so that the patient does not feel cold or uncomfortable due to the external temperature.
Patent KR-102211449-B1 (KR)
IPC: B29C43/50
Filed: 2019-07-19
Granted: 2021-02-03
Abstract: 본 발명에 의하면, 수지재를 가열 및 가압하여 성형품을 제조하는 금형 장치로서, 상부 금형; 상기 상부 금형의 아래에 위치하는 하부 금형; 및 상기 성형품을 상기 상부 금형으로부터 분리시키는 성형품 취출 구조를 포함하며, 상기 상부 금형의 저면에는 성형 캐비티가 형성되며, 상기 저면과 대향하는 상기 하부 금형의 상면에는 상기 성형 캐비티에 대응하여 기준면으로부터 돌출되는 성형 돌출부가 형성되며, 상기 성형품 취출 구조는 상기 상부 금형으로부터 아래로 돌출되고 상기 상부 금형에 대하여 상하방향을 따라서 이동 가능하도록 설치되는 복수개의 이젝트 핀들과, 상기 복수개의 이젝트 핀들 각각을 아래 방향을 가압하는 복수개의 탄성부재들을 구비하며, 상기 복수개의 이젝트 핀들은 상기 성형 캐비티의 주변에 둘레방향을 따라서 차례대로 배치되는, 수지재 성형용 금형 장치가 제공된다.
Patent KR-102049037-B1 (KR)
Title: A Rail Turn Module having Traveling and Guide function and Pallet Transport System Using the same
Inventor: KIM TAE YOUNG
IPC: H01L21/687
Filed: 2019-07-29
Granted: 2019-11-27
Abstract: The present invention relates to a rail turn module having a traveling and guide function. The rail turn module comprises a connection rail part rotatably provided between traveling rails to selectively connect the traveling rails, and having a rotating base, a connection rail, and a stopper, wherein the rotating base of the connection rail part allows a connection rail and the stopper of the connection rail part to be mounted thereon, the position of the connection rail part is rotated by a rotational operation of the rail turn module, the connection rail of the connection rail part includes a connection pad, which is an upper surface thereof and a flat end surface, and guide rails formed as end surface parts inclined to left and right sides of the connection pad, and the rail turn module is disposed below a lower portion of the connection rail part to transmit driving power for rotating the connection rail part. Thus, according to the present invention, the rail turn module having a traveling and guide function can be installed at the intersection of the traveling rails such that a pellet conveyance system conveying pellets for substrate transfer between processes by means of the rail turn module can change the transfer path of the pellets to change the direction thereof while supporting guide rollers of a roller unit attached to the pellets, thereby preventing impacts and vibrations generated when the transfer path of the pellets is changed.
Patent KR-102342823-B1 (KR)
IPC: G01N33/53
Filed: 2019-07-29
Granted: 2021-12-24
Abstract: 본 발명은 미세유체 채널과 밸브가 구비된 미세유체 시스템을 이용하여 전기 화학적 분석법을 통해 시료를 진단하며, 전극 어레이에 나노웰 구조를 형성함에 따라 분해능을 향상시킬 수 있는 미세유체 시스템을 이용한 진단키트에 관한 것으로, 베이스부; 상기 베이스부에 구비되고, 시료가 주입되면서 시료가 보관될 수 있는 시료 주입 챔버; 상기 베이스부에 구비되며, 시료와 반응하는 전극 어레이; 상기 전극 어레이 상부에 구비되면서 상기 시료 주입 챔버에서 주입된 시료가 이동되는 반응 챔버; 상기 베이스부 외부로 시료를 배출하는 아웃렛; 상기 시료 주입 챔버, 상기 반응 챔버, 상기 아웃렛을 연결하며, 상기 시료 주입 챔버, 상기 반응 챔버, 상기 아웃렛 사이에서 시료를 이동시킬 수 있는 미세유체 채널;을 포함하는 것을 특징으로 하는 것이다.
Patent KR-102223637-B1 (KR)
IPC: B01J23/62
Filed: 2019-08-05
Granted: 2021-03-09
Abstract: 본 발명은 알루미나 담체에 실리카를 증류수와 함께 80~100℃의 온도에서 침전시킨 후, 건조 및 소성하여 전처리하는 단계; 및 상기 실리카 전처리된 알루미나 담체에 칼륨, 백금 및 주석을 순차적으로 담지, 건조 및 소성하는 단계를 포함하는 것을 특징으로 하는 프로판 탈수소화 촉매의 제조방법에 관한 것으로, 본 발명에 의하면 촉매의 금속 소결 현상을 방지하고 코크 저항성을 향상시켜, 선택도 증가에 의해 공정 원단위가 향상되며, 다양한 조건에서 운전이 가능하여 생산량을 증대시킬 수 있다.
Patent KR-102032963-B1 (KR)
Title: Manufacturing method of soup using shin fore shank and white radish, and soup manufactured by the methdo
Inventor: LEE HEUI JUNG
IPC: A23L5/10
Filed: 2019-08-05
Granted: 2019-10-16
Abstract: The present invention relates to a method for preparing a beef and radish soup, and a beef and radish soup prepared thereby. More specifically, the method comprises the steps of: preparing beef shanks and cutting the beef shanks to a thickness of 2-2.5 cm; adding water to the cut beef shanks and heating the same at 95-100°C for 50-70 minutes, to prepare a beef broth; cooling the heated beef shanks and the prepared beef broth; preparing radishes and cutting the radishes to a thickness of 2-2.5 cm; adding water to the cut radishes and heating the same at 95-100°C for 5-15 minutes; preparing a vegetable broth; and mixing the cooled beef shanks, the cooled beef broth, the heated radishes, and the prepared vegetable broth. The method for preparing a beef and radish soup and the beef and radish soup prepared thereby according to the present invention have advantages in that the beef and radish soup prepared has no undesirable odor of beef, has good palatability with good flavors of the clear radish soup, and is convenient to store and cook.
Patent KR-102066494-B1 (KR)
Title: attendance and absence managing system
Inventor: JEON SANG HYEOK
IPC: G06Q50/20
Filed: 2019-08-22
Granted: 2020-01-15
Abstract: The present invention relates to an attendance check system. The attendance check system includes: a short distance wireless communication terminal performing communications supporting check of attendance about students in a lecture room by being installed to be independent by each lecture room; a student wireless communication terminal having an attendance certification application transmitting student identification information registered when an attendance confirmation request signal is received from the short distance wireless communication terminal; and an attendance management server connecting to the short distance wireless communication terminals via a communication network and registering the attendance in the database by processing that the student wireless communication terminal, receiving all the identification information of the student wireless communication terminal received from the short distance wireless communication terminal and witness authentication identification information generated and transmitted by the communications between the student wireless communication terminals, is certified as the attendance. Therefore, according to the present invention, the attendance check system can improve the process and reliability of certifying student attendance.
Patent KR-102276787-B1 (KR)
IPC: G06F3/01
Filed: 2019-08-27
Granted: 2021-07-14
Abstract: 본 발명은 터치 패널을 포함하는 터치 조작 입력장치에 관한 것으로서, 상측에 개구가 형성되는 하우징; 상기 하우징에 내장되며 상측에 택트 스위치가 실장되는 인쇄회로기판; 상기 하우징의 개구를 덮으며, 동작표시 디스플레이가 장착되기 위한 표시부 장착부와 버튼 설치공이 형성되는 커버; 상기 버튼 설치공에 승강 이동이 가능하게 설치되며 하단은 상기 택트 스위치의 상면에 접촉하는 가이드 버튼; 상기 커버의 상면에 승강 이동이 가능하게 설치되며 하강시 상기 가이드 버튼과 접촉하는 버튼 가압 프레임; 상기 버튼 가압 프레임의 상면에 설치되는 터치 센서; 및, 상기 터치 센서의 상면에 설치되는 터치 패널을 포함하여 구성되는 것을 특징으로 하므로, 터치 패널 상의 원하는 기능이 표시된 부분을 눌려서 택트 스위치를 작동시킴으로써 손가락의 촉각 및 청각을 통해 작동 여부를 확실히 확인할 수 있는 것과 더불어, 터치 패널 상의 원하는 기능을 선택하여 누르게 되면 버튼 가압 프레임과 터치 센서 및 터치 패널이 굽힘 변형되지 않고 편평한 상태를 유지한 채 함께 그대로 하강하게 되므로 터치 패널의 표면이 손상되는 경우가 없어 내구성이 한층 제고된다는 효과가 있다.
Patent KR-102177686-B1 (KR)
Inventor: LEE JUNG HWAN
IPC: G01S19/52
Filed: 2019-08-29
Granted: 2020-11-11
Abstract: The present invention relates to an automatic imaging device for tunnel inspection, capable of performing scientific and systematic management on an inspection target tunnel. According to the present invention, the automatic imaging device for the tunnel inspection includes: a GPS reception module for acquiring GPS information including a current position and an instantaneous vehicle velocity of a vehicle, and measurement time information thereof; an inspection tunnel image acquisition module for outputting image acquisition information on an inner wall of an inspection target tunnel; a tunnel height measurement module for determining entry and exit of the inspection target tunnel; a vehicle drive shaft sensor module for acquiring movement information of the vehicle from a drive shaft of the vehicle; a storage module for storing road information corresponding to each inspection target tunnel into a database (DB) for each inspection tunnel; and a control module.
Patent KR-102267756-B1 (KR)
IPC: C03B33/03
Filed: 2019-08-30
Granted: 2021-06-22
Abstract: 본 발명은 기판 분단용 스크라이브 헤드에 마그네틱을 이용한 낙하방지장치에 관한 것이다. 이는, 하우징과, 상기 하우징에 장착되는 구동부와, 상기 구동부로부터 동력을 전달받아 상하 방향으로 승강운동하는 승강유니트와, 상기 승강유니트에 상방향 자기부상력(磁氣浮上力)을 인가하여, 상기 구동부의 작동 불능시 상기 승강유니트의 낙하를 방지하는 자기부상부를 포함한다. 
상기와 같이 이루어지는 본 발명의 기판분단용 스크라이브 헤드의 낙하 방지 장치는, 자기부상의 원리를 이용해 항상 동일한 크기의 상승 복귀력을 제공하므로, 그만큼 신뢰성이 좋고 작동 정밀성이 뛰어나 작업효율을 크게 상승시킬 수 있으며, 소음 등을 발생하지 않는다. 또한, 장기간 사용되어도 출력의 변화가 없고 히스테리시스적 문제도 야기하지 않으며 반영구적 사용이 가능하다. 아울러, 승강유니트의 승강운동을 가이드 하는 가이드부를 포함하는 평면이, 볼스크류의 중심축부를 통과하므로, 볼스크류에 편심력이 가해지지 않아 분단휠의 정밀 제어가 가능하다.